使用preg_match():
foreach (array('- Alpha', 'beta', '. Gamma', "'delta'") as $value) {
preg_match('~[a-z]~i', $value, $match, PREG_OFFSET_CAPTURE);
print_r($match);
}
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Array
(
[0] => Array
(
[0] => A
[1] => 2
)
)
Array
(
[0] => Array
(
[0] => b
[1] => 0
)
)
Array
(
[0] => Array
(
[0] => G
[1] => 2
)
)
Array
(
[0] => Array
(
[0] => d
[1] => 1
)
)
Run Code Online (Sandbox Code Playgroud)
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